Podcast
Questions and Answers
What do taxonomists observe when focusing on physiological traits?
What do taxonomists observe when focusing on physiological traits?
- Functional features of the structures (correct)
- Habitat preferences of organisms
- Color variations among species
- Size differences in organisms
What do taxonomists look for among distantly related organisms to construct evolutionary relationships?
What do taxonomists look for among distantly related organisms to construct evolutionary relationships?
- Dissimilar functions
- Morphological similarities
- Different functions
- Analogous structures (correct)
What term is used for structures that vary in form but share a highly similar function?
What term is used for structures that vary in form but share a highly similar function?
- Structural adaptations
- Analogous structures (correct)
- Homologous structures
- Convergent structures
In genetic traits, what do the genetic sequences refer to?
In genetic traits, what do the genetic sequences refer to?
What is the main utility of genetic sequences in comparing organisms?
What is the main utility of genetic sequences in comparing organisms?
What is the principle of the central dogma of the cell related to?
What is the principle of the central dogma of the cell related to?
What is the primary focus of this unit?
What is the primary focus of this unit?
What should you be able to do by the end of this lesson?
What should you be able to do by the end of this lesson?
What is the primary purpose of the 'Warm Up Seeking Relationships' activity?
What is the primary purpose of the 'Warm Up Seeking Relationships' activity?
How many members are there in each group for the activity?
How many members are there in each group for the activity?
What is provided by the teacher for the activity?
What is provided by the teacher for the activity?
What is the role of taxonomists and evolutionary biologists?
What is the role of taxonomists and evolutionary biologists?
What is a characteristic of ancestral traits?
What is a characteristic of ancestral traits?
What is the main difference between ancestral and derived traits?
What is the main difference between ancestral and derived traits?
At which taxonomic level are ancestral traits most informative?
At which taxonomic level are ancestral traits most informative?
What is an example of an ancestral trait in Fig. 7.1.2?
What is an example of an ancestral trait in Fig. 7.1.2?
What is a characteristic of derived traits?
What is a characteristic of derived traits?
What can be said about derived traits in relation to their ancestors?
What can be said about derived traits in relation to their ancestors?
What is the primary function of the information contained in DNA?
What is the primary function of the information contained in DNA?
What can be used to assess the degree of relatedness among pine tree species?
What can be used to assess the degree of relatedness among pine tree species?
What is the importance of considering both morphological and genetic features in constructing a taxonomic tree?
What is the importance of considering both morphological and genetic features in constructing a taxonomic tree?
What can occur when mutations or changes in the DNA sequence accumulate?
What can occur when mutations or changes in the DNA sequence accumulate?
What is shown in Fig. 7.1.4?
What is shown in Fig. 7.1.4?
Why are genetic traits currently very useful in knowing the accurate relatedness of organisms?
Why are genetic traits currently very useful in knowing the accurate relatedness of organisms?
What type of taxonomic evidence are pharyngeal slits in vertebrates?
What type of taxonomic evidence are pharyngeal slits in vertebrates?
What is the relationship between the wings of birds and insects?
What is the relationship between the wings of birds and insects?
What type of taxonomic evidence is the fusion of compound eyes in plankton?
What type of taxonomic evidence is the fusion of compound eyes in plankton?
What type of observation is relevant in understanding the evolutionary path of most taxa?
What type of observation is relevant in understanding the evolutionary path of most taxa?
What type of taxonomic evidence are the vein patterns in leaves of plants?
What type of taxonomic evidence are the vein patterns in leaves of plants?
What type of taxonomic evidence is the presence of hairs in the stem of plants?
What type of taxonomic evidence is the presence of hairs in the stem of plants?
